Montblanc MB0351O Optical Frame combines a refined square silhouette with Montblanc detailing for everyday prescription wear. The acetate construction and shaped temples deliver lightweight comfort and a polished look. Key attributes: Black | Acetate | Lightweight design | Full-rim construction | Rounded temples for comfort | Flat end tips | Integrated nose pads | Square silhouette | Snowcap logo on temples | Rounded temple profile | Dimensions & fit: Lens width: 52 mm | Bridge: 18 mm | Temple length: 145 mm | Composition & care: Acetate | Clean lenses and frame with a microfiber cloth. Store in the supplied case when not in use. Avoid prolonged exposure to heat or chemicals.